#2871B3#2871B3

#2871B3 is a mid, vivid cyan. Relative luminance 0.155; OKLCH L 53.7% C 0.126 H 249.6°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#2871B3
RGB	rgb(40, 113, 179)
HSL	hsl(208, 63%, 43%)
HSV	hsv(208, 78%, 70%)
CMYK	cmyk(77.7%, 36.9%, 0%, 29.8%)
CIE-LAB	lab(46.33, 1.02, -41.34)
CIE-LCH	lch(46.33, 41.35, 271.41°)
OKLab	oklab(53.67% -0.0438 -0.1178)
OKLCH	oklch(53.67% 0.126 249.6)
XYZ	xyz(14.9138, 15.5143, 44.8476)
Luminance	0.1552 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2871B3 #B36A28

analogous

#28B3AF #2871B3 #282CB3

triadic

#2871B3 #B32871 #71B328

tetradic

#2871B3 #AF28B3 #B36A28 #2CB328

square

#2871B3 #AF28B3 #B36A28 #2CB328

split-complementary

#2871B3 #B3282C #B3AF28

monochromatic

#12324F #1D5181 #2871B3 #4390D5 #75ADE0

Accessibility & contrast

On white

5.12

#2871B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#2871B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2871B3

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2871B3	#FFFFFF	#000000	##FFFFFF
##2871B3	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5275B6

Deuteranopia (green-blind)

#3D68B2

Tritanopia (blue-blind)

#008189

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2871b3;
/* rgb */ color: rgb(40, 113, 179);
/* oklch */ color: oklch(53.7% 0.126 249.6);

Tailwind

colors: {
  custom: {
    50: '#7699ca',
    500: '#2871b3',
    950: '#000000',
  },
}

SCSS

$custom: #2871b3;
$custom-light: #7699ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2871b3",
  "rgb": {
    "r": 40,
    "g": 113,
    "b": 179
  },
  "hsl": {
    "h": 208.489,
    "s": 63.47,
    "l": 42.941
  },
  "oklch": {
    "l": 0.53669,
    "c": 0.12564,
    "h": 249.6
  },
  "luminance": 0.15516
}

Semantic roles & 50–950 ramp

primary

#2871B3

secondary

#C8996F

accent

#9041E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2871B3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →